salt level

Discussion in 'Beginner Discussions' started by yogi, 30 Oct 2008.

  1. yogi

    yogi

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    Hi

    Guys and gals I wonder if u can help me i've got a prblem keep my salt level stable in my tank it keeps on jumping up and down I'am using red sea coral pro
     
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  3. Mike

    Mike Retired Moderator

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    Do you top up with R/O water? how often do you top up and what levels are you reading? you should have an SG of 1.026 or 35ppt.
     
  4. yogi

    yogi Thread Starter

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    I top up R/O water and at least every 2 weeks my reading at the moment is 1.010 before I top up it was 1.030, then it's was fine for a day or 2 then it went down to 1.010
     
  5. Mike

    Mike Retired Moderator

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    How often do you top up? i would do it daily or get an auto top up unit, you need to do your best to keep all the water perameters as level as possible (i know that is easy to type, but tricky to do)
     
  6. yogi

    yogi Thread Starter

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    every 2 weeks
     
  7. Mekaeel

    Mekaeel Moderator MASA Contributor

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    Also, are you using a refractrometer to test your salinity?
     
  8. viper357

    viper357 Admin MASA Contributor

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    What are you using to measure your salinity?

    You need to topup daily, every 2 weeks is no good. Every day your water evaporates and as the water evaporates the salinity rises because the salt doesn't evaporate, only the water does, that is why you topup with plain RO water.
     
  9. Reef Maniac

    Reef Maniac MASA Contributor

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    I cannot agree more - it's one of the most important things to do: DO DAILY TOPUPS using filtered fresh water (RO water).

    The reason why other posters have asked about the type of instrument you use to test the salinity is that the so-called Swing Arm Hydrometers (the type normally sold by the common pet shops) are notoriously inaccurate if not used 100% correctly. You will get much more accurate readings using either a reputable glass floating hydrometer (with a resolution of 0.001 ppt or better) or a refractometer. Last time I checked (long ago...) a good glass hydrometer cost around R600 - R800 and a refractometer about R350 - R450. Check with the sponsors (Eco-Aquatics - Marine Aquariums of South Africa aQuality - Marine Aquariums of South Africa Dorry Pets - Marine Aquariums of South Africa Northlands Pets - Marine Aquariums of South Africa) for pricing and availability.

    Having an accurate salinity meter is as vital as having good heaters - your tank will not live long without one.

    Hennie
     
  10. yogi

    yogi Thread Starter

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    I am using swing arm hydrometer so u say i must rather get a glass hydrometer or a refactrometer
     
  11. Reef Maniac

    Reef Maniac MASA Contributor

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    Definitely :thumbup:
     
  12. Hill

    Hill

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    Are you skimming? How much water are you removing via skimming?
     
  13. yogi

    yogi Thread Starter

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    Yes I am skimming about 50ml a day
     
  14. Billy Ocean

    Billy Ocean

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    Id use the refractometer rather the swing arm just my opinion I think they are more accurate and top up everyday to keep stability in the SG hope this helps
     
  15. yogi

    yogi Thread Starter

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    Thanx I am think of get a refactometer bcoz the swing arm is driving me mad
     
  16. Reef Maniac

    Reef Maniac MASA Contributor

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  17. yogi

    yogi Thread Starter

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  18. yogi

    yogi Thread Starter

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    thanx guys for all the help i got my SG level right
     
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